[subset] Fix AttributeError: 'NoneType' object has no attribute 'prune_hints'
Add support for cmap format 13.
remove non utf-8 character in unmaintainted code
Merge pull request #14 from moyogo/master

remove non utf-8 character in unmaintainted code
[subset] Typo
[subset] Fix renumbering of (Chain)ContextFormat2

Jonathan says: "It was broken."
Merge remote-tracking branch 'upstream/master'